74078739

素因数分解:

$3^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 135040000

約数和(自身を除く): 60961261

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 343, 399, 421, 441, 513, 931, 1029, 1197, 1263, 1323, 2793, 2947, 3087, 3591, 3789, 6517, 7999, 8379, 8841, 9261, 11367, 19551, 20629, 23997, 25137, 26523, 55993, 58653, 61887, 71991, 79569, 144403, 167979, 175959, 185661, 215973, 391951, 433209, 503937, 556983, 1175853, 1299627, 1511811, 2743657, 3527559, 3898881, 8230971, 10582677, 24692913, 74078739]

約数ペア:

[(1, 74078739), (3, 24692913), (7, 10582677), (9, 8230971), (19, 3898881), (21, 3527559), (27, 2743657), (49, 1511811), (57, 1299627), (63, 1175853), (133, 556983), (147, 503937), (171, 433209), (189, 391951), (343, 215973), (399, 185661), (421, 175959), (441, 167979), (513, 144403), (931, 79569), (1029, 71991), (1197, 61887), (1263, 58653), (1323, 55993), (2793, 26523), (2947, 25137), (3087, 23997), (3591, 20629), (3789, 19551), (6517, 11367), (7999, 9261), (8379, 8841)]